/**
 * Designed and developed by Aidan Follestad (@afollestad)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.afollestad.dragselectrecyclerviewsample

import com.afollestad.dragselectrecyclerview.DragSelectReceiver
import com.afollestad.recyclical.datasource.SelectableDataSource

fun SelectableDataSource<*>.asDragSelectReceiver(): DragSelectReceiver {
  return object : DragSelectReceiver {
    override fun getItemCount(): Int = size()

    override fun setSelected(
      index: Int,
      selected: Boolean
    ) {
      if (selected) selectAt(index) else deselectAt(index)
    }

    override fun isSelected(index: Int): Boolean = isSelectedAt(index)

    override fun isIndexSelectable(index: Int): Boolean = true
  }
}
